@book{Winkelmann2018,
author = {Winkelmann, Marc},
year = {2018},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Raus aus der Sackgasse},
url = "http://dx.doi.org/10.17169/refubium-949",
}